/* Header layout for Nocny Scena Hub */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(16px);
  background: linear-gradient(to bottom, rgba(5, 6, 8, 0.96), rgba(5, 6, 8, 0.88));
  border-bottom: 1px solid rgba(216, 183, 112, 0.22);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-3);
  padding-bottom: var(--space-3);
  gap: var(--space-5);
}

/* Brand */
.site-header__brand {
  display: flex;
  align-items: center;
}

.site-header__logo-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-text);
}

.site-header__logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 0%, rgba(216, 183, 112, 0.6), rgba(15, 107, 75, 0.9));
  box-shadow: var(--shadow-soft);
  border: 1px solid rgba(216, 183, 112, 0.7);
}

.site-header__logo-initials {
  font-family: var(--font-display);
  font-size: 1.05rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #050608;
}

.site-header__brand-text {
  display: flex;
  flex-direction: column;
}

.site-header__brand-name {
  font-family: var(--font-display);
  font-size: 1.1rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.site-header__brand-tagline {
  font-size: var(--font-size-xs);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

/* Navigation */
.site-header__nav {
  display: flex;
}

.site-header__nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.site-header__nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  font-size: var(--font-size-sm);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  padding: 0.35rem 0;
}

.site-header__nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -0.35rem;
  height: 2px;
  border-radius: var(--radius-full);
  background: linear-gradient(90deg, var(--color-accent-gold), var(--color-primary-strong));
  transform: scaleX(0);
  transform-origin: center;
  transition: transform var(--transition-base);
}

.site-header__nav-link:hover,
.site-header__nav-link:focus-visible {
  color: var(--color-text);
}

.site-header__nav-link:hover::after,
.site-header__nav-link:focus-visible::after {
  transform: scaleX(1);
}

.site-header__nav-item--highlight .site-header__nav-link {
  padding-inline: 1.1rem;
  padding-block: 0.5rem;
  border-radius: var(--radius-full);
  border: 1px solid rgba(216, 183, 112, 0.6);
}

.site-header__nav-link--primary {
  background: radial-gradient(circle at top left, var(--color-accent-gold-soft), var(--color-primary));
  color: var(--color-text);
  box-shadow: var(--shadow-soft);
}

.site-header__nav-item--highlight .site-header__nav-link::after {
  display: none;
}

.site-header__nav-link--primary:hover,
.site-header__nav-link--primary:focus-visible {
  background: radial-gradient(circle at top left, var(--color-accent-gold), var(--color-primary-strong));
}

/* Mobile toggle */
.site-header__toggle {
  display: none;
  align-items: center;
  gap: var(--space-2);
  padding: 0.4rem 0.7rem;
  border-radius: var(--radius-full);
  border: 1px solid rgba(216, 183, 112, 0.4);
  color: var(--color-text);
  cursor: pointer;
  background: rgba(5, 6, 8, 0.8);
}

.site-header__toggle:hover,
.site-header__toggle:focus-visible {
  background: rgba(12, 15, 19, 0.95);
}

.site-header__toggle-box {
  position: relative;
  width: 20px;
  height: 13px;
  display: inline-flex;
  flex-direction: column;
  justify-content: space-between;
}

.site-header__toggle-line {
  height: 2px;
  border-radius: var(--radius-full);
  background: var(--color-accent-gold);
  transition: transform var(--transition-base), opacity var(--transition-base), translate var(--transition-base);
}

.site-header__toggle-text {
  font-size: var(--font-size-xs);
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

/* State when menu is open */
.site-header--menu-open .site-header__toggle-line:first-child {
  transform: translateY(5.5px) rotate(45deg);
}

.site-header--menu-open .site-header__toggle-line:last-child {
  transform: translateY(-5.5px) rotate(-45deg);
}

.site-header--menu-open .site-header__toggle-text::after {
  content: "";
}

/* Responsive */
@media (max-width: 900px) {
  .site-header__inner {
    padding-top: var(--space-2);
    padding-bottom: var(--space-2);
  }

  .site-header__brand-tagline {
    display: none;
  }
}

@media (max-width: 768px) {
  .site-header__toggle {
    display: inline-flex;
  }

  .site-header__nav {
    position: fixed;
    inset-inline: 0;
    top: 60px;
    background: rgba(5, 6, 8, 0.98);
    border-bottom: 1px solid rgba(216, 183, 112, 0.18);
    transform: translateY(-110%);
    opacity: 0;
    visibility: hidden;
    transition: transform var(--transition-base), opacity var(--transition-base), visibility var(--transition-base);
  }

  .site-header__nav-list {
    flex-direction: column;
    align-items: flex-start;
    padding: var(--space-4);
    gap: var(--space-3);
  }

  .site-header__nav-item--highlight .site-header__nav-link {
    width: 100%;
    justify-content: center;
  }

  .site-header--menu-open .site-header__nav {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }
}

@media (prefers-reduced-motion: reduce) {
  .site-header,
  .site-header__nav {
    scroll-behavior: auto;
    transition: none;
  }
}